Rapper Big Sean accepted a plea deal Wednesday in a case stemming from charges of sexual assault filed by a 17 year-old girl in Buffalo, New York.  The rapper and Wille "Sayitainttone" Hansbro were accused by the girl in August of forcing her to have sex with them during a concert in August, and both men were charged with third degree sex abuse and forcible touching.  In exchange for pleading guilty to a misdemeanor unlawful imprisonment charge, a misdemeanor carrying a $750 fine, the felonie charges were dropped.